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Acer Aspire 9400 Aspire 7100/9400 and TravelMate 5100/5600 Service Guide - Page 76

Power System Check, If you suspect a power problem

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Power System Check To verify the symptom of the problem, power on the computer using each of the following power sources: 1. Remove the battery pack. 2. Connect the power adapter and check that power is supplied. 3. Disconnect the power adapter and install the charged battery pack; then check that power is supplied by the battery pack. If you suspect a power problem, see the appropriate power supply check in the following list: T "Check the Battery Pack" on page 70 Chapter 4 69

Section	Page
Cover	1
TOC	6
System Specifications	7
Features	7
Block Diagram	10
Outlook View	11
Front Open View	11
Closed Front View	13
Left View	14
Right View	14
Rear View	15
Bottom View	15
Indicators	16
Easy-Launch Buttons	17
Touchpad	18
Touchpad Basics	18
Using the Keyboard	19
Lock keys and Embedded Numeric Keypad	19
Windows Keys	20
Hotkeys	20
Special Keys	22
Using the System Utilities	23
Acer GridVista(dual-display compatible)	23
Launch Manager	24
Norton AntiVirus	24
Acer Empowering Technology	26
Acer eDataSecurity Management	27
Acer eLock Management	28
Acer ePerformance Management	29
Acer eRecovery Management	30
Acer eSettings Management	31
Acer eNet Management	32
Acer ePower Management	33
Acer ePresentation Management	35
Hardware Specifications and Configurations	36
System Utilities	46
BIOS Setup Utility	46
Information	47
Main	48
Security	50
Set Supervisor/User Password	51
Characters 0-9,A-Z (not case sensitive)	51
Boot	53
Exit	54
Machine Disassembly and Replacement	55
Disassembly Procedure Flowchart	56
General Information	57
Before You Begin	57
Removing the Battery Pack	58
Removing the miniPCI/Memory/HDD Module/Keyboard	59
Removing the miniPCI and Memory	59
Removing the HDD	60
Removing the keyboard	60
Seperate the LCD module and main unit	62
Disassemble the main unit	63
Separate upper and lower case	63
Removing the Function Keyboard	64
Removing the Touchpad Board	64
Removing the ODD	65
Removing the Dummy Card	66
Removing the Mainboard	66
Removing the System Fan	67
Removing the Speakers	67
Removing the MDC Module	67
Removing the Heatsink Module	68
Removing the CPU	68
LCD Disassembly	69
HDD Disassembly	71
ODD Disassembly	72
Troubleshooting	74
System Check Procedures	75
External Diskette Drive Check	75
External CD-ROM Drive Check	75
Keyboard or Auxiliary Input Device Check	75
Memory check	75
Power System Check	76
Touchpad check	77
Power-On Self-Test (POST) Error Message	78
Index of Error Messages	79
Phoenix BIOS Beep Codes	81
Index of Symptom-to-FRU Error Message	85
Intermittent Problems	89
Undetermined Problems	90
Jumper and Connector Locations	91
Top View	91
Bottom View	93
FRU (Field Replaceable Unit) List	95
Exploded Diagram	96

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